/*
* flags.c - flag manipulation routines
*/
/*
* $Id: flags.c,v 1.4 1995/12/03 09:18:32 root Exp root $
*/
#include "copyright.h"
#include "autoconf.h"
#include "db.h"
#include "mudconf.h"
#include "externs.h"
#include "command.h"
#include "flags.h"
#include "alloc.h"
#include "powers.h"
#ifndef STANDALONE
/*
* ---------------------------------------------------------------------------
* * fh_any: set or clear indicated bit, no security checking
*/
int fh_any(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (fflags & FLAG_WORD3) {
if (reset)
s_Flags3(target, Flags3(target) & ~flag);
else
s_Flags3(target, Flags3(target) | flag);
} else if (fflags & FLAG_WORD2) {
if (reset)
s_Flags2(target, Flags2(target) & ~flag);
else
s_Flags2(target, Flags2(target) | flag);
} else {
if (reset)
s_Flags(target, Flags(target) & ~flag);
else
s_Flags(target, Flags(target) | flag);
}
return 1;
}
/*
* ---------------------------------------------------------------------------
* * fh_god: only GOD may set or clear the bit
*/
int fh_god(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (!God(player))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_wiz: only WIZARDS (or GOD) may set or clear the bit
*/
int fh_wiz(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (!Wizard(player) && !God(player))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_fixed: Settable only on players by WIZARDS
*/
int fh_fixed(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (isPlayer(target))
if (!Wizard(player) && !God(player))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_wizroy: only WIZARDS, ROYALTY, (or GOD) may set or clear the bit
*/
int fh_wizroy(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (!WizRoy(player) && !God(player))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_inherit: only players may set or clear this bit.
*/
int fh_inherit(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (!Inherits(player))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_wiz_bit: Only GOD may set/clear this bit on others.
*/
int fh_wiz_bit(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (!God(player))
return 0;
if (God(target) && reset) {
notify(player, "You cannot make yourself mortal.");
return 0;
}
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_dark_bit: manipulate the dark bit. Nonwizards may not set on players.
*/
int fh_dark_bit(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (!reset && isPlayer(target) && !((target == player) &&
Can_Hide(player)) &&
(!Wizard(player) && !God(player)))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_going_bit: manipulate the going bit. Non-gods may only clear on rooms.
*/
int fh_going_bit(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (Going(target) && reset) {
notify(player, "Your object has been spared from destruction.");
return (fh_any(target, player, flag, fflags, reset));
}
if (!God(player))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
/*
* ---------------------------------------------------------------------------
* * fh_hear_bit: set or clear bits that affect hearing.
*/
int fh_hear_bit(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
int could_hear;
if (isPlayer(target) && (flag & MONITOR))
if (Can_Monitor(player))
fh_any(target, player, flag, fflags, reset);
else
return 0;
could_hear = Hearer(target);
fh_any(target, player, flag, fflags, reset);
handle_ears(target, could_hear, Hearer(target));
return 1;
}
#ifdef DSPACE
/*
* ---------------------------------------------------------------------------
* * fh_dynamic_bit: only settable on rooms or exits.
*/
int fh_dynamic_bit(target, player, flag, fflags, reset)
dbref target, player;
FLAG flag;
int fflags, reset;
{
if (isPlayer(target) || isThing(target))
return 0;
return (fh_any(target, player, flag, fflags, reset));
}
#endif
/* *INDENT-OFF* */
FLAGENT gen_flags[] = {
{"ABODE", ABODE, 'A',
FLAG_WORD2, 0, fh_any},
{"ANSI", ANSI, 'X',
FLAG_WORD2, 0, fh_any},
{"AUDITORIUM", AUDITORIUM, 'b',
FLAG_WORD2, 0, fh_any},
{"COMPRESS", COMPRESS, '.',
FLAG_WORD2, 0, fh_any},
{"CHOWN_OK", CHOWN_OK, 'C',
0, 0, fh_any},
{"HAS_DAILY", HAS_DAILY, '*',
FLAG_WORD2, CA_GOD|CA_NO_DECOMP, fh_god},
{"PLAYER_MAILS", PLAYER_MAILS, 'B',
FLAG_WORD2, CA_GOD|CA_NO_DECOMP, fh_god},
{"DARK", DARK, 'D',
0, 0, fh_dark_bit},
{"FLOATING", FLOATING, 'F',
FLAG_WORD2, 0, fh_any},
{"GOING", GOING, 'G',
0, CA_NO_DECOMP, fh_going_bit},
{"HAVEN", HAVEN, 'H',
0, 0, fh_any},
{"HEAD", HEAD_FLAG, '?',
FLAG_WORD2, 0, fh_wiz},
{"INHERIT", INHERIT, 'I',
0, 0, fh_inherit},
{"JUMP_OK", JUMP_OK, 'J',
0, 0, fh_any},
{"KEY", KEY, 'K',
FLAG_WORD2, 0, fh_any},
{"LINK_OK", LINK_OK, 'L',
0, 0, fh_any},
{"MONITOR", MONITOR, 'M',
0, 0, fh_hear_bit},
{"NOSPOOF", NOSPOOF, 'N',
0, 0, fh_any},
{"OPAQUE", OPAQUE, 'O',
0, 0, fh_any},
{"QUIET", QUIET, 'Q',
0, 0, fh_any},
{"STAFF", STAFF, 'w',
FLAG_WORD2, 0, fh_wiz},
{"STICKY", STICKY, 'S',
0, 0, fh_any},
{"TRACE", TRACE, 'T',
0, 0, fh_any},
{"UNFINDABLE", UNFINDABLE, 'U',
FLAG_WORD2, 0, fh_any},
{"VISUAL", VISUAL, 'V',
0, 0, fh_any},
{"VACATION", VACATION, '|',
FLAG_WORD2, 0, fh_fixed},
{"WIZARD", WIZARD, 'W',
0, 0, fh_wiz_bit},
{"PARENT_OK", PARENT_OK, 'Y',
FLAG_WORD2, 0, fh_any},
{"ROYALTY", ROYALTY, 'Z',
0, 0, fh_wiz},
{"FIXED", FIXED, 'f',
FLAG_WORD2, 0, fh_fixed},
{"UNINSPECTED", UNINSPECTED, 'g',
FLAG_WORD2, 0, fh_wizroy},
{"NO_COMMAND", NO_COMMAND, 'n',
FLAG_WORD2, 0, fh_any},
{"NOBLEED", NOBLEED, '-',
FLAG_WORD2, 0, fh_any},
#ifdef DSPACE
{"DYNAMIC", DYNAMIC, '!',
FLAG_WORD2, 0, fh_dynamic_bit},
#endif
{"AUDIBLE", HEARTHRU, 'a',
0, 0, fh_hear_bit},
{"CONNECTED", CONNECTED, 'c',
FLAG_WORD2, CA_NO_DECOMP, fh_god},
{"DESTROY_OK", DESTROY_OK, 'd',
0, 0, fh_any},
{"ENTER_OK", ENTER_OK, 'e',
0, 0, fh_any},
{"HALTED", HALT, 'h',
0, 0, fh_any},
{"IMMORTAL", IMMORTAL, 'i',
0, 0, fh_wiz},
{"LIGHT", LIGHT, 'l',
FLAG_WORD2, 0, fh_any},
{"MYOPIC", MYOPIC, 'm',
0, 0, fh_any},
{"PUPPET", PUPPET, 'p',
0, 0, fh_hear_bit},
{"TERSE", TERSE, 'q',
0, 0, fh_any},
{"ROBOT", ROBOT, 'r',
0, 0, fh_any},
{"SAFE", SAFE, 's',
0, 0, fh_any},
{"TRANSPARENT", SEETHRU, 't',
0, 0, fh_any},
{"SUSPECT", SUSPECT, 'u',
FLAG_WORD2, CA_WIZARD, fh_wiz},
{"VERBOSE", VERBOSE, 'v',
0, 0, fh_any},
{"SLAVE", SLAVE, 'x',
FLAG_WORD2, CA_WIZARD, fh_wiz},
{"HAS_STARTUP", HAS_STARTUP, '+',
0, CA_GOD|CA_NO_DECOMP, fh_god},
{"HAS_FORWARDLIST", HAS_FWDLIST, '&',
FLAG_WORD2, CA_GOD|CA_NO_DECOMP, fh_god},
{"HAS_LISTEN", HAS_LISTEN, '@',
FLAG_WORD2, CA_GOD|CA_NO_DECOMP, fh_god},
{ NULL, 0, ' ',
0, 0, NULL}};
#endif /* STANDALONE */
OBJENT object_types[8] = {
{"ROOM", 'R', CA_PUBLIC, OF_CONTENTS|OF_EXITS|OF_DROPTO|OF_HOME},
{"THING", ' ', CA_PUBLIC,
OF_CONTENTS|OF_LOCATION|OF_EXITS|OF_HOME|OF_SIBLINGS},
{"EXIT", 'E', CA_PUBLIC, OF_SIBLINGS},
{"PLAYER", 'P', CA_PUBLIC,
OF_CONTENTS|OF_LOCATION|OF_EXITS|OF_HOME|OF_OWNER|OF_SIBLINGS},
{"TYPE5", '+', CA_GOD, 0},
{"GARBAGE", '-', CA_PUBLIC,
OF_CONTENTS|OF_LOCATION|OF_EXITS|OF_HOME|OF_SIBLINGS},
{"GARBAGE", '*', CA_GOD, 0}};
/* *INDENT-ON* */
#ifndef STANDALONE
/*
* ---------------------------------------------------------------------------
* * init_flagtab: initialize flag hash tables.
*/
void NDECL(init_flagtab)
{
FLAGENT *fp;
char *nbuf, *np, *bp;
hashinit(&mudstate.flags_htab, 50 * HASH_FACTOR);
nbuf = alloc_sbuf("init_flagtab");
for (fp = gen_flags; fp->flagname; fp++) {
for (np = nbuf, bp = (char *)fp->flagname; *bp; np++, bp++)
*np = ToLower(*bp);
*np = '\0';
hashadd(nbuf, (int *)fp, &mudstate.flags_htab);
}
free_sbuf(nbuf);
}
/*
* ---------------------------------------------------------------------------
* * display_flags: display available flags.
*/
void display_flagtab(player)
dbref player;
{
char *buf, *bp;
FLAGENT *fp;
bp = buf = alloc_lbuf("display_flagtab");
safe_str((char *)"Flags:", buf, &bp);
for (fp = gen_flags; fp->flagname; fp++) {
if ((fp->listperm & CA_WIZARD) && !Wizard(player))
continue;
if ((fp->listperm & CA_GOD) && !God(player))
continue;
safe_chr(' ', buf, &bp);
safe_str((char *)fp->flagname, buf, &bp);
safe_chr('(', buf, &bp);
safe_chr(fp->flaglett, buf, &bp);
safe_chr(')', buf, &bp);
}
*bp = '\0';
notify(player, buf);
free_lbuf(buf);
}
FLAGENT *find_flag(thing, flagname)
dbref thing;
char *flagname;
{
char *cp;
/*
* Make sure the flag name is valid
*/
for (cp = flagname; *cp; cp++)
*cp = ToLower(*cp);
return (FLAGENT *) hashfind(flagname, &mudstate.flags_htab);
}
/*
* ---------------------------------------------------------------------------
* * flag_set: Set or clear a specified flag on an object.
*/
void flag_set(target, player, flag, key)
dbref target, player;
char *flag;
int key;
{
FLAGENT *fp;
int negate, result;
/*
* Trim spaces, and handle the negation character
*/
negate = 0;
while (*flag && isspace(*flag))
flag++;
if (*flag == '!') {
negate = 1;
flag++;
}
while (*flag && isspace(*flag))
flag++;
/*
* Make sure a flag name was specified
*/
if (*flag == '\0') {
if (negate)
notify(player, "You must specify a flag to clear.");
else
notify(player, "You must specify a flag to set.");
return;
}
fp = find_flag(target, flag);
if (fp == NULL) {
notify(player, "I don't understand that flag.");
return;
}
/*
* Invoke the flag handler, and print feedback
*/
result = fp->handler(target, player, fp->flagvalue,
fp->flagflag, negate);
if (!result)
notify(player, "Permission denied.");
else if (!(key & SET_QUIET) && !Quiet(player))
notify(player, (negate ? "Cleared." : "Set."));
return;
}
/*
* ---------------------------------------------------------------------------
* * decode_flags: converts a flags word into corresponding letters.
*/
char *decode_flags(player, flagword, flag2word, flag3word)
dbref player;
FLAG flagword, flag2word, flag3word;
{
char *buf, *bp;
FLAGENT *fp;
int flagtype;
FLAG fv;
buf = bp = alloc_sbuf("decode_flags");
*bp = '\0';
if (!Good_obj(player)) {
StringCopy(buf, "#-2 ERROR");
return buf;
}
flagtype = (flagword & TYPE_MASK);
if (object_types[flagtype].lett != ' ')
safe_sb_chr(object_types[flagtype].lett, buf, &bp);
for (fp = gen_flags; fp->flagname; fp++) {
if (fp->flagflag & FLAG_WORD3)
fv = flag3word;
else if (fp->flagflag & FLAG_WORD2)
fv = flag2word;
else
fv = flagword;
if (fv & fp->flagvalue) {
if ((fp->listperm & CA_WIZARD) && !Wizard(player))
continue;
if ((fp->listperm & CA_GOD) && !God(player))
continue;
/*
* don't show CONNECT on dark wizards to mortals
*/
if ((flagtype == TYPE_PLAYER) &&
(fp->flagvalue == CONNECTED) &&
((flagword & (WIZARD | DARK)) == (WIZARD | DARK)) &&
!Wizard(player))
continue;
safe_sb_chr(fp->flaglett, buf, &bp);
}
}
*bp = '\0';
return buf;
}
/*
* ---------------------------------------------------------------------------
* * has_flag: does object have flag visible to player?
*/
int has_flag(player, it, flagname)
dbref player, it;
char *flagname;
{
FLAGENT *fp;
FLAG fv;
fp = find_flag(it, flagname);
if (fp == NULL)
return 0;
if (fp->flagflag & FLAG_WORD3)
fv = Flags3(it);
else if (fp->flagflag & FLAG_WORD2)
fv = Flags2(it);
else
fv = Flags(it);
if (fv & fp->flagvalue) {
if ((fp->listperm & CA_WIZARD) && !Wizard(player))
return 0;
if ((fp->listperm & CA_GOD) && !God(player))
return 0;
/*
* don't show CONNECT on dark wizards to mortals
*/
if (isPlayer(it) &&
(fp->flagvalue == CONNECTED) &&
((Flags(it) & (WIZARD | DARK)) == (WIZARD | DARK)) &&
!Wizard(player))
return 0;
return 1;
}
return 0;
}
/*
* ---------------------------------------------------------------------------
* * flag_description: Return an mbuf containing the type and flags on thing.
*/
char *flag_description(player, target)
dbref player, target;
{
char *buff, *bp;
FLAGENT *fp;
int otype;
FLAG fv;
/*
* Allocate the return buffer
*/
otype = Typeof(target);
bp = buff = alloc_mbuf("flag_description");
/*
* Store the header strings and object type
*/
safe_mb_str((char *)"Type: ", buff, &bp);
safe_mb_str((char *)object_types[otype].name, buff, &bp);
safe_mb_str((char *)" Flags:", buff, &bp);
if (object_types[otype].perm != CA_PUBLIC) {
*bp = '\0';
return buff;
}
/*
* Store the type-invariant flags
*/
for (fp = gen_flags; fp->flagname; fp++) {
if (fp->flagflag & FLAG_WORD3)
fv = Flags3(target);
else if (fp->flagflag & FLAG_WORD2)
fv = Flags2(target);
else
fv = Flags(target);
if (fv & fp->flagvalue) {
if ((fp->listperm & CA_WIZARD) && !Wizard(player))
continue;
if ((fp->listperm & CA_GOD) && !God(player))
continue;
/*
* don't show CONNECT on dark wizards to mortals
*/
if (isPlayer(target) &&
(fp->flagvalue == CONNECTED) &&
((Flags(target) & (WIZARD | DARK)) == (WIZARD | DARK)) &&
!Wizard(player))
continue;
safe_mb_chr(' ', buff, &bp);
safe_mb_str((char *)fp->flagname, buff, &bp);
}
}
/*
* Terminate the string, and return the buffer to the caller
*/
*bp = '\0';
return buff;
}
/*
* ---------------------------------------------------------------------------
* * Return an lbuf containing the name and number of an object
*/
char *unparse_object_numonly(target)
dbref target;
{
char *buf;
buf = alloc_lbuf("unparse_object_numonly");
if (target == NOTHING) {
StringCopy(buf, "*NOTHING*");
} else if (target == HOME) {
StringCopy(buf, "*HOME*");
} else if (!Good_obj(target)) {
sprintf(buf, "*ILLEGAL*(#%d)", target);
} else {
sprintf(buf, "%s(#%d)", Name(target), target);
}
return buf;
}
/*
* ---------------------------------------------------------------------------
* * Return an lbuf pointing to the object name and possibly the db# and flags
*/
char *unparse_object(player, target, obey_myopic)
dbref player, target;
int obey_myopic;
{
char *buf, *fp;
int exam;
buf = alloc_lbuf("unparse_object");
if (target == NOTHING) {
StringCopy(buf, "*NOTHING*");
} else if (target == HOME) {
StringCopy(buf, "*HOME*");
} else if (!Good_obj(target)) {
sprintf(buf, "*ILLEGAL*(#%d)", target);
} else {
if (obey_myopic)
exam = MyopicExam(player, target);
else
exam = Examinable(player, target);
if (exam ||
(Flags(target) & (CHOWN_OK | JUMP_OK | LINK_OK | DESTROY_OK)) ||
(Flags2(target) & ABODE)) {
/*
* show everything
*/
fp = unparse_flags(player, target);
sprintf(buf, "%s(#%d%s)", Name(target), target, fp);
free_sbuf(fp);
} else {
/*
* show only the name.
*/
StringCopy(buf, Name(target));
}
}
return buf;
}
/*
* ---------------------------------------------------------------------------
* * convert_flags: convert a list of flag letters into its bit pattern.
* * Also set the type qualifier if specified and not already set.
*/
int convert_flags(player, flaglist, fset, p_type)
dbref player;
char *flaglist;
FLAGSET *fset;
FLAG *p_type;
{
int i, handled;
char *s;
FLAG flag1mask, flag2mask, flag3mask, type;
FLAGENT *fp;
flag1mask = flag2mask = flag3mask = 0;
type = NOTYPE;
for (s = flaglist; *s; s++) {
handled = 0;
/*
* Check for object type
*/
for (i = 0; (i <= 7) && !handled; i++) {
if ((object_types[i].lett == *s) &&
!(((object_types[i].perm & CA_WIZARD) &&
!Wizard(player)) ||
((object_types[i].perm & CA_GOD) &&
!God(player)))) {
if ((type != NOTYPE) && (type != i)) {
notify(player,
tprintf("%c: Conflicting type specifications.",
*s));
return 0;
}
type = i;
handled = 1;
}
}
/*
* Check generic flags
*/
if (handled)
continue;
for (fp = gen_flags; (fp->flagname) && !handled; fp++) {
if ((fp->flaglett == *s) &&
!(((fp->listperm & CA_WIZARD) &&
!Wizard(player)) ||
((fp->listperm & CA_GOD) &&
!God(player)))) {
if (fp->flagflag & FLAG_WORD3)
flag3mask |= fp->flagvalue;
else if (fp->flagflag & FLAG_WORD2)
flag2mask |= fp->flagvalue;
else
flag1mask |= fp->flagvalue;
handled = 1;
}
}
if (!handled) {
notify(player,
tprintf("%c: Flag unknown or not valid for specified object type",
*s));
return 0;
}
}
/*
* return flags to search for and type
*/
(*fset).word1 = flag1mask;
(*fset).word2 = flag2mask;
(*fset).word3 = flag3mask;
*p_type = type;
return 1;
}
/*
* ---------------------------------------------------------------------------
* * decompile_flags: Produce commands to set flags on target.
*/
void decompile_flags(player, thing, thingname)
dbref player, thing;
char *thingname;
{
FLAG f1, f2, f3;
FLAGENT *fp;
/*
* Report generic flags
*/
f1 = Flags(thing);
f2 = Flags2(thing);
f3 = Flags3(thing);
for (fp = gen_flags; fp->flagname; fp++) {
/*
* Skip if we shouldn't decompile this flag
*/
if (fp->listperm & CA_NO_DECOMP)
continue;
/*
* Skip if this flag is not set
*/
if (fp->flagflag & FLAG_WORD3) {
if (!(f3 & fp->flagvalue))
continue;
} else if (fp->flagflag & FLAG_WORD2) {
if (!(f2 & fp->flagvalue))
continue;
} else {
if (!(f1 & fp->flagvalue))
continue;
}
/*
* Skip if we can't see this flag
*/
if (!check_access(player, fp->listperm))
continue;
/*
* We made it this far, report this flag
*/
notify(player, tprintf("@set %s=%s", thingname, fp->flagname));
}
}
#endif /*
* STANDALONE
*/